<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>

        #viewframe{
            height: 100%;
            width: 100%;
            position: absolute;
            top: 0px;
            bottom: 0px;
            z-index: 0;
            overflow:hidden; word-break:break-all;
        }
    </style>
</head>
<body>
<!--<iframe id="viewframe" src='https://view.officeapps.live.com/op/view.aspx?src=http://storage.xuetangx.com/public_assets/xuetangx/PDF/1.xls' width='100%' height='200' frameborder='1'/>-->
<!--<iframe id="viewframe" src='https://view.officeapps.live.com/op/view.aspx?src=file/avi.png' width='100%' height='200' frameborder='1'/>-->
<img th:src="${dir}" width="100%" height="200"/>
<hr>
<img src="avi.png" width="100%" height="200"/>
<iframe src="avi.png"></iframe>
<!--<img src="../images/Word.png" style="height: 200px; width: 200px;"/>-->

</body>
</html>